| Patents for H04R 1 - Details of transducers (42,173) | 
|---|
| 01/01/2014 | CN203377999U Sound box provided with various transmission functions | 
| 01/01/2014 | CN203377998U A suspended Bluetooth small loudspeaker box | 
| 01/01/2014 | CN203377997U 一种全向三维辐射音箱 A fully three-dimensional radiation to Speaker | 
| 01/01/2014 | CN203377996U Sound box | 
| 01/01/2014 | CN103493511A Apparatus and methods for individual addressing and noise reduction in actuator arrays | 
| 01/01/2014 | CN103493509A Orientation-responsive acoustic driver operation | 
| 01/01/2014 | CN103492901A Mounting structure for sonar sensor | 
| 01/01/2014 | CN103491483A Electroacoustic device | 
| 01/01/2014 | CN103491482A Audio processing device for mobile terminals | 
| 01/01/2014 | CN103491481A Radiation type bass reflex | 
| 01/01/2014 | CN103491480A Sound output apparatus, audio processing apparatus, sound output method, and audio processing method | 
| 01/01/2014 | CN103491479A Resonance portable acoustics device with dual 360-degree sound production | 
| 01/01/2014 | CN103491478A Double-layer-voice-coil-group moving-iron earphones | 
| 01/01/2014 | CN103491477A Earphone | 
| 01/01/2014 | CN103491476A Earphone headband, manufacturing method of earphone headband and earphones with earphone headband | 
| 01/01/2014 | CN103491475A Earphone with automatic detection function and operation method thereof | 
| 01/01/2014 | CN103491474A Headphone | 
| 01/01/2014 | CN103491473A Bluetooth headset | 
| 01/01/2014 | CN103491472A Microphone assembly and portal electronic device using same | 
| 01/01/2014 | CN103491471A Loudspeaker box | 
| 01/01/2014 | CN103491470A Loudspeaker box | 
| 01/01/2014 | CN103491469A Loudspeaker box | 
| 01/01/2014 | CN103491468A Loudspeaker box | 
| 01/01/2014 | CN103491467A Mini speaker | 
| 01/01/2014 | CN103491466A 扬声器单元 Speaker unit | 
| 01/01/2014 | CN103491465A Speaker apparatus and speaker box | 
| 01/01/2014 | CN103491464A Loudspeaker box | 
| 01/01/2014 | CN103491463A Tablet personal computer support acoustic device | 
| 01/01/2014 | CN103491462A Volume adjustment structure and electronic deice with same | 
| 01/01/2014 | CN102098597B Ultralow frequency (ULF) active speaker with built-in velocity feedback | 
| 01/01/2014 | CN101583059B Noise-cancelling headphone | 
| 12/31/2013 | US8620017 Speaker and magnetic circuit | 
| 12/31/2013 | US8620016 Magnetic speaker grill | 
| 12/31/2013 | US8620004 Electronic device, electronic system, and method for processing signals from an audio accessory thereof | 
| 12/31/2013 | CA2715722C Electronic device and case having offset sound openings | 
| 12/27/2013 | WO2013192340A1 An earphone having a controlled acoustic leak port | 
| 12/27/2013 | WO2013191278A1 Electronic apparatus and control program as well as information notification method | 
| 12/27/2013 | WO2013191060A1 Probe and protective cover therefor | 
| 12/27/2013 | WO2013190824A1 Speaker, electronic device and mobile device that uses speaker, and speaker manufacturing method | 
| 12/27/2013 | WO2013190811A1 Speaker device and speaker-equipped device | 
| 12/27/2013 | WO2013190056A2 Hearing protector | 
| 12/27/2013 | WO2013189531A1 Injection moulded circuit carrier having an integrated circuit board | 
| 12/27/2013 | CA2877033A1 Hearing protector | 
| 12/26/2013 | US20130345170 Ear Pieces Having an Antimicrobial Treatment | 
| 12/26/2013 | US20130343596 Speaker | 
| 12/26/2013 | US20130343595 Headsets with non-occluding earbuds | 
| 12/26/2013 | US20130343594 Earphone having a controlled acoustic leak port | 
| 12/26/2013 | US20130343593 Earphone having an acoustic tuning mechanism | 
| 12/26/2013 | US20130343591 Audio listening system | 
| 12/26/2013 | US20130343590 Microphone | 
| 12/26/2013 | US20130343588 Sound processors having contamination resistant control panels and implantable cochlear stimulation systems including the same | 
| 12/26/2013 | US20130343580 Back Plate Apparatus with Multiple Layers Having Non-Uniform Openings | 
| 12/26/2013 | US20130343579 Portable loudspeaker | 
| 12/26/2013 | US20130343565 Headset With Magnetically Attached Ear Pad | 
| 12/26/2013 | US20130343564 Audio Apparatus | 
| 12/26/2013 | US20130343563 Headphone assembly with integralguitar amplifier | 
| 12/26/2013 | US20130343562 Earring set with an audio speaker integrated therein | 
| 12/26/2013 | US20130343559 Hearing Protector | 
| 12/26/2013 | US20130342806 Piezo beam device | 
| 12/25/2013 | EP2677769A2 Flat type speaker having damper-lead plate of pcb voice coil plate | 
| 12/25/2013 | EP2677767A2 An earphone having an acoustic tuning mechanism | 
| 12/25/2013 | EP2677766A2 Hearing protector | 
| 12/25/2013 | EP2677765A1 Headphone for active noise suppression | 
| 12/25/2013 | EP2676457A2 Acoustic horn gain managing | 
| 12/25/2013 | CN203368725U Shell assembly and portable electronic device using the same | 
| 12/25/2013 | CN203368724U Sound reinforcing device | 
| 12/25/2013 | CN203368723U 扬声器模组 Speaker Module | 
| 12/25/2013 | CN203368722U Sound box | 
| 12/25/2013 | CN203368721U A sound effect intelligent adjusting device and an audio frequency play device | 
| 12/25/2013 | CN203368720U Directive sound source system | 
| 12/25/2013 | CN203368719U Multifunctional Bluetooth sound box with colorful-transformation induction lighting effect | 
| 12/25/2013 | CN203368718U Insert earphone | 
| 12/25/2013 | CN203368717U Earphone with telescopic connecting wire | 
| 12/25/2013 | CN203368716U Flexible adhesive Bluetooth earphone | 
| 12/25/2013 | CN203368715U Retractable portable earphone | 
| 12/25/2013 | CN203368714U Headset cord holder and headset | 
| 12/25/2013 | CN203368713U Green nonradiative earphone device | 
| 12/25/2013 | CN203368712U Earphone with movable receiver | 
| 12/25/2013 | CN203368711U Environmental-protective earphone without radiation | 
| 12/25/2013 | CN203368710U Ear muff and headphone | 
| 12/25/2013 | CN203368709U Necklace type multifunctional earphone | 
| 12/25/2013 | CN203368708U Headphone spooler | 
| 12/25/2013 | CN203368707U Mode switchable game earphone | 
| 12/25/2013 | CN203368706U Wire receiver | 
| 12/25/2013 | CN203368705U Novel uniform-force-bearing earphone | 
| 12/25/2013 | CN203368704U Threaded plugging type earphone | 
| 12/25/2013 | CN203368703U Novel earphone | 
| 12/25/2013 | CN203368702U Audio line | 
| 12/25/2013 | CN203368701U 智能蓝牙耳机 Smart Bluetooth Headset | 
| 12/25/2013 | CN203368700U Hearing protection mechanism of earphone | 
| 12/25/2013 | CN203368699U Remotely-controlled microphone support | 
| 12/25/2013 | CN203368698U Desktop sound insulation screen | 
| 12/25/2013 | CN203368697U 无线麦克风 Wireless Microphone | 
| 12/25/2013 | CN203368696U Vertical microphone having text display function | 
| 12/25/2013 | CN203368695U Microphone stand device | 
| 12/25/2013 | CN203368694U 扬声器模组 Speaker Module | 
| 12/25/2013 | CN203368693U Audio player | 
| 12/25/2013 | CN203368692U Device for installing pad edge for loudspeaker | 
| 12/25/2013 | CN203368691U Speaker with connecting assembly of oceangoing freighter | 
| 12/25/2013 | CN203368690U Vehicle door loudspeaker shield |